new file mode 100644
@@ -0,0 +1,57 @@
+From a525b86330b4b8889e0329249b8d2e04f9640a2a Mon Sep 17 00:00:00 2001
+From: itchyny <itchyny@cybozu.co.jp>
+Date: Fri, 24 Apr 2026 22:09:44 +0900
+Subject: [PATCH] Fix signed-int overflow in `stack_reallocate`
+
+This fixes CVE-2026-41257.
+
+CVE: CVE-2026-41257
+Upstream-Status: Backport [https://github.com/jqlang/jq/commit/01b3cded76daacbfddb7f8763700b0803bcb5c6f]
+
+(cherry picked from commit 01b3cded76daacbfddb7f8763700b0803bcb5c6f)
+Signed-off-by: Shubham Pushpkar <spushpka@cisco.com>
+---
+ src/exec_stack.h | 14 ++++++++++----
+ 1 file changed, 10 insertions(+), 4 deletions(-)
+
+diff --git a/src/exec_stack.h b/src/exec_stack.h
+index 2a063e8..159c56e 100644
+--- a/src/exec_stack.h
++++ b/src/exec_stack.h
+@@ -2,8 +2,10 @@
+ #define EXEC_STACK_H
+ #include <stddef.h>
+ #include <stdint.h>
++#include <stdio.h>
+ #include <stdlib.h>
+ #include <string.h>
++#include <limits.h>
+ #include "jv_alloc.h"
+
+ /*
+@@ -81,15 +83,19 @@ static stack_ptr* stack_block_next(struct stack* s, stack_ptr p) {
+ }
+
+ static void stack_reallocate(struct stack* s, size_t sz) {
+- int old_mem_length = -(s->bound) + ALIGNMENT;
+- char* old_mem_start = (s->mem_end != NULL) ? (s->mem_end - old_mem_length) : NULL;
++ size_t old_mem_length = (size_t)(-(s->bound)) + ALIGNMENT;
++ char* old_mem_start = s->mem_end != NULL ? s->mem_end - old_mem_length : NULL;
+
+- int new_mem_length = align_round_up((old_mem_length + sz + 256) * 2);
++ size_t new_mem_length = align_round_up((old_mem_length + sz + 256) * 2);
++ if (new_mem_length > INT_MAX) {
++ fprintf(stderr, "jq: error: cannot allocate memory\n");
++ abort();
++ }
+ char* new_mem_start = jv_mem_realloc(old_mem_start, new_mem_length);
+ memmove(new_mem_start + (new_mem_length - old_mem_length),
+ new_mem_start, old_mem_length);
+ s->mem_end = new_mem_start + new_mem_length;
+- s->bound = -(new_mem_length - ALIGNMENT);
++ s->bound = -(int)(new_mem_length - ALIGNMENT);
+ }
+
+ static stack_ptr stack_push_block(struct stack* s, stack_ptr p, size_t sz) {
+--
+2.44.4
@@ -22,6 +22,7 @@ SRC_URI = "${GITHUB_BASE_URI}/download/${BPN}-${PV}/${BPN}-${PV}.tar.gz \
file://CVE-2026-39979.patch \
file://CVE-2026-40612.patch \
file://CVE-2026-41256.patch \
+ file://CVE-2026-41257.patch \
"
SRC_URI[sha256sum] = "478c9ca129fd2e3443fe27314b455e211e0d8c60bc8ff7df703873deeee580c2"